{"id":317076,"date":"2021-02-04T05:30:30","date_gmt":"2021-02-03T21:30:30","guid":{"rendered":"http:\/\/4563.org\/?p=317076"},"modified":"2021-02-04T05:30:30","modified_gmt":"2021-02-03T21:30:30","slug":"%e8%af%b7%e9%97%ae-matplotlib-%e4%b8%ad-ax-clear-%e6%9c%89%e4%bb%80%e4%b9%88%e4%bd%9c%e7%94%a8%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=317076","title":{"rendered":"\u8bf7\u95ee matplotlib \u4e2d ax.clear \u6709\u4ec0\u4e48\u4f5c\u7528\uff1f"},"content":{"rendered":"
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\u8bf7\u95ee matplotlib \u4e2d ax.clear \u6709\u4ec0\u4e48\u4f5c\u7528\uff1f <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : yellowtail <\/span> <\/i> 6<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u5728\u7f51\u4e0a\u627e\u7684\u4ee3\u7801\uff0c\u4fee\u6539\u7684\u65f6\u5019\u53d1\u73b0\u5982\u679c\u5728 drawImg \u51fd\u6570\u4e2d\u6ce8\u91ca\u6389 ax.clear()\u90a3\u4e48\u51fa\u6765\u7684\u7ed8\u5236\u51fa\u6765\u989c\u8272\u4f1a\u4e00\u76f4\u53d8\u5316\u3002
\u53bb\u9664 ax.clear()\u4ee5\u540e\u9664\u4e86\u989c\u8272\u53d8\u5316\u8fd8\u6709\u5176\u4ed6\u7684\u526f\u4f5c\u7528\u5417\uff1f<\/p>\n

import numpy as np
from tkinter import *
from tkinter import messagebox
from mpl_toolkits.mplot3d import Axes3D
import matplotlib.pyplot as plt
# \u521b\u5efa\u753b\u5e03\u9700\u8981\u7684\u5e93
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg<\/p>\n

root = Tk()
root.title(“tkinter + Matplotlib”)
root.geometry(‘700×750’)<\/p>\n

plt.rcParams[‘font.sans-serif’] = [‘SimHei’] # \u7528\u6765\u6b63\u5e38\u663e\u793a\u4e2d\u6587\u6807\u7b7e
fig = plt.figure(figsize=(6.5, 7), edgecolor=’blue’)
ax = Axes3D(fig)
# \u5b9a\u4e49\u523b\u5ea6
ax.set_xlim(0, 100)
ax.set_ylim(0, 100)
ax.set_zlim(0, 100)
canvas = FigureCanvasTkAgg(fig, master=root)
canvas.draw()
# \u663e\u793a\u753b\u5e03
canvas.get_tk_widget().pack()<\/p>\n

i = 0
# \u5b9a\u4e49\u5b58\u50a8\u5750\u6807\u7684\u7a7a\u6570\u7ec4
x = []
y = []
z = []<\/p>\n

# \u629b\u7269\u7ebf\u52a8\u6001\u7ed8\u5236\u51fd\u6570
def drawImg():
global i
i += 1
global ax
#ax.clear()
ax.set_xlim(0, 100)
ax.set_ylim(0, 100)
ax.set_zlim(0, 100)
global x
global y
global z
t = i * 0.1
dtax = 20 * t * np.sin(0.25 * np.pi)
x.append(dtax)
dtay = 20 * t * np.cos(0.25 * np.pi)
y.append(dtay)
dtaz = 100 – t ** 2 * 0.5 * 10
z.append(dtaz)
ax.plot(x, y, z)
canvas.draw()
global afterHandler
afterHandler = root.after(100, drawImg)<\/p>\n

drawImg()<\/p>\n

def on_closing():
root.after_cancel(afterHandler)
answer = messagebox.askokcancel(“\u9000\u51fa”, “\u786e\u5b9a\u9000\u51fa\u5417?”)
if answer:
plt.close(‘all’)
root.destroy()
else:
root.after(1000, drawImg)<\/p>\n

root.protocol(“WM_DELETE_WINDOW”, on_closing)
root.mainloop() <\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (1<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : hxhc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    https:\/\/www.geeksforgeeks.org\/matplotlib-axes-axes-clear-in-python\/#:~:text=The%20Axes.,used%20to%20clear%20the%20axes.&text=Parameters%3A%20This%20method%20does%20not,does%20not%20returns%20any%20values.<\/p>\n

    clear \u5c31\u662f\u628a\u5f53\u524d axes \u7684\u5185\u5bb9\uff08 plot \u3001scatter \u3001grid \u4e4b\u7c7b\uff09\u6e05\u7a7a <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n","protected":false},"excerpt":{"rendered":"

    \u8bf7\u95ee matplotlib \u4e2d a…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/317076"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=317076"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/317076\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=317076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=317076"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=317076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}